Badger Industries
Manufacturer of stainless steel and alloy bellows type, round and rectangular expansion joints, which are used primarily in piping systems that exhibit thermal motion.
http://www.badgerind.com/

BraunFlex, LLC
Manufactures round and rectangular shaped expansion joints in metal, rubber and fabric. Products include metal hose assemblies, pump connectors, ball joints and slip packed expansion joints .
http://www.braunflex.com/

Division in Mean and Extreme Ratio
The base angle of the largest trinalges of most representations of Sri Yantra are about 52 degrees, close to the base angle of the Great Pyrmaid of Cheops, which is 51deg50'. With such a base angle, the ratio of the hypotenuse to half the base is phi, the Golden Ratio.
http://alumni.cse.ucsc.edu/~mikel/sriyantra/golden.html

All Power Transmission Inc.
Designing universal joints and mechanical power transmission coupling components to fit your challenging requirements.
http://www.allpowertrans.com/

Asia Star Co., Ltd.
Provides engineering and consultancy service for expansion joints, flexible metal hoses, fabric joints and valves.
http://asiastar.netfirms.com/

Donmini (UK)
Manufacturers of movement joints for use with terrazzo, marble, mosaics, ceramics and other similar materials where edge protection and maintenance free joints are required.
http://www.donmini.co.uk

Taft-Peirce Metrology
Suburban Tool, Inc. - THE TAFT-PEIRCE PRODUCT LINE
http://taftpeirce.com

Fast Newton-Raphson Torsion Angle Minimizer (FANTOM)
Calculates low-energy conformations of polypeptides and proteins, compatible with distance and dihedral angle constraints obtained typically from NMR experiments. Free for academics.
http://bose.utmb.edu/fantom/fm_home.html

Right Angle Brackets (Revision 2)
Explains ways to allow >> to be treated as two closing angle brackets, as well as to discuss the resulting issues. A specific option is proposed along with wording that would implement the proposal in the current working paper.
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html

Curtis Machine Company, Inc.
Manufacturers of right angle, straight bevel, and spiral bevel gearboxes and gearcases, parallel shaft speed reducers as well as off angle bevel gear drives.
http://www.curtismachine.com/